<html>
<body>
<iframe style="position: absolute; left: 0px; top: 0px; width: 300px; height: 150px; border: none; border-radius: 50px; background: green;" src="data:text/html,<body>"></iframe>
<div style="position: absolute; left: 10px; top: 0px; width: 280px; height: 150px; background: red;"></div>
<div style="position: absolute; left: 0px; top: 10px; width: 300px; height: 130px; background: red;"></div>
</body>
</html>
